CVE-2026-101281: falha de média gravidade em Trusted Domain Project OpenDMARC
Trusted Domain Project OpenDMARC SPF Macro opendmarc_spf.c opendmarc_sp2_find_mailfrom_domain improper authentication
Publicada em · Atualizada em
33Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 6.9epss 0.4%
probabilidade de exploração
0.4%top 67% das CVEs
exploração observada
nãonenhuma fonte reporta
1 exploit(s) público(s)
A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_sp2_find_mailfrom_domain of the file libopendmarc/opendmarc_spf.c of the component SPF Macro Handler. This manipulation causes improper authentication. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: c48a74c758677fc5272a73eff15ffdbf8afda1a6. Applying a patch is the recommended action to fix this issue.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Produtos afetados
Trusted Domain Project · OpenDMARCPoCs públicas encontradas — 1
cve_referencexuyongzhe-vt.github.io/share/opendmarc-spf-postmaster-macro.htmlnão verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
CVEs relacionadas — Trusted Domain Project OpenDMARC
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CVE-2026-101280MEDIUMTrusted Domain Project OpenDMARC Multi-Record Set opendmarc_policy_query_dmarc authentication spoofingEPSS 0.4%CVE-2026-100890MEDIUMTrusted Domain Project OpenDMARC SPF Parser opendmarc_spf.c opendmarc_spf_ipv6_explode null pointer dereferenceEPSS 0.4%CVE-2026-101279MEDIUMTrusted Domain Project OpenDMARC opendmarc_policy.c integer overflowEPSS 0.3%CVE-2026-101017MEDIUMTrusted Domain Project OpenDMARC opendmarc_policy.c strcasecmp exceptional conditionEPSS 0.3%CVE-2026-101016MEDIUMTrusted Domain Project OpenDMARC opendmarc_policy.c opendmarc_policy_parse_dmarc exceptional conditionEPSS 0.3%CVE-2026-101014MEDIUMTrusted Domain Project OpenDMARC DMARC Record opendmarc_util.c opendmarc_util_cleanup off-by-oneEPSS 0.3%
Referências
https://github.com/trusteddomainproject/OpenDMARC/commit/c48a74c758677fc5272a73eff15ffdbf8afda1a6https://github.com/trusteddomainproject/OpenDMARC/issues/262https://github.com/trusteddomainproject/OpenDMARC/pull/328https://vuldb.com/cve/CVE-2026-101281https://vuldb.com/submit/918284https://vuldb.com/vuln/411038https://vuldb.com/vuln/411038/ctihttps://xuyongzhe-vt.github.io/share/opendmarc-spf-postmaster-macro.html